| 9 | * Supports string / number / boolean / enum types. |
| 10 | */ |
| 11 | export function jsonSchemaToZod( |
| 12 | properties: Record<string, { type: string; description?: string; default?: unknown; enum?: unknown[] }>, |
| 13 | required?: string[] |
| 14 | ): Record<string, z.ZodTypeAny> { |
| 15 | const shape: Record<string, z.ZodTypeAny> = {} |
| 16 | const requiredSet = new Set(required ?? []) |
| 17 | |
| 18 | for (const [key, prop] of Object.entries(properties)) { |
| 19 | let zodType: z.ZodTypeAny |
| 20 | |
| 21 | switch (prop.type) { |
| 22 | case 'number': |
| 23 | zodType = z.number().describe(prop.description ?? '') |
| 24 | break |
| 25 | case 'boolean': |
| 26 | zodType = z.boolean().describe(prop.description ?? '') |
| 27 | break |
| 28 | case 'string': |
| 29 | default: |
| 30 | if (prop.enum) { |
| 31 | zodType = z.enum(prop.enum as [string, ...string[]]).describe(prop.description ?? '') |
| 32 | } else { |
| 33 | zodType = z.string().describe(prop.description ?? '') |
| 34 | } |
| 35 | break |
| 36 | } |
| 37 | |
| 38 | if (!requiredSet.has(key)) { |
| 39 | zodType = zodType.optional() |
| 40 | } |
| 41 | |
| 42 | shape[key] = zodType |
| 43 | } |
| 44 | |
| 45 | return shape |
| 46 | } |